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MSWIM
2009
ACM
13 years 9 months ago
Modeling and performance evaluation of transmission control protocol over cognitive radio ad hoc networks
Cognitive Radio (CR) technology constitutes a new paradigm to provide additional spectrum utilization opportunities in wireless ad hoc networks. Recent research in this field has ...
Marco Di Felice, Kaushik Roy Chowdhury, Luciano Bo...
JSAC
2011
156views more  JSAC 2011»
12 years 11 months ago
On the Connectivity and Multihop Delay of Ad Hoc Cognitive Radio Networks
—We analyze the multihop delay of ad hoc cognitive radio networks, where the transmission delay of each hop consists of the propagation delay and the waiting time for the availab...
Wei Ren, Qing Zhao, Ananthram Swami
JSAC
2008
161views more  JSAC 2008»
13 years 4 months ago
HC-MAC: A Hardware-Constrained Cognitive MAC for Efficient Spectrum Management
Abstract--Radio spectrum resource is of fundamental importance for wireless communication. Recent reports show that most available spectrum has been allocated. While some of the sp...
Juncheng Jia, Qian Zhang, Xuemin Shen
JSAC
2008
157views more  JSAC 2008»
13 years 4 months ago
Spectrum Leasing to Cooperating Secondary Ad Hoc Networks
Abstract--The concept of cognitive radio (or secondary spectrum access) is currently under investigation as a promising paradigm to achieve efficient use of the frequency resource ...
Osvaldo Simeone, Igor Stanojev, Stefano Savazzi, Y...
JSAC
2008
254views more  JSAC 2008»
13 years 4 months ago
Cross-Layer Based Opportunistic MAC Protocols for QoS Provisionings Over Cognitive Radio Wireless Networks
We propose the cross-layer based opportunistic multi-channel medium access control (MAC) protocols, which integrate the spectrum sensing at physical (PHY) layer with the packet sch...
Hang Su, Xi Zhang